Round Automatic Bilge Pumps (Rule)

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Rule Pumps 12 Volt DC Automatic Bilge Pumps 500 GPH - 2000 GPH feature computerized operation on the principle of impeller resistance. Float switches are not required. The pump will turn on every 2-1/2 minutes to sense for water. If water is present, the pump will sense resistance and continue to run until all the water is removed. Thereafter, it will check for water every 2-1/2 minutes.Power use in the checking mode is minimal.

51S - Rule Automatic 1500 GPH Bilge Pump:

  • Connection: 1-1/8"
  • 12 Volts
  • 4.8 Amps

51S - Rule Automatic 2000 GPH Bilge Pump:

  • Connection: 1-1/8"
  • 12 Volts
  • 8.4 Amps

Rule Bilge Pumps - Identifying the 3 Wires

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IMPORTANT: Please note that these timeframes are estimates only based on the latest information provided to us by the manufacturer/supplier. Delays in both material, production and shipping timeframes by manufacturers can vary without advanced notice and while we do our best to keep "Ships: In" timeframes up to date we may not always be able to do so due to a variety of factors.

If a product is needed by a specific date we strongly recommend you reach out to our Sales team (1-800-869-1686) to verify shipping timeframes.

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